Question : Which of the following are metalloids?
Option 1: Boron, Oxygen, Aluminium
Option 2: Boron, Mercury, Iron
Option 3: Boron, Silicon, Antimony
Option 4: Aluminium, Mercury, Copper
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Correct Answer: Boron, Silicon, Antimony
Solution : The correct options are Boron, Silicon, and Antimony.
Boron, Silicon, and Antimony are considered metalloids. Metalloids are elements that have properties intermediate between metals and nonmetals. Metalloids have intermediate electrical conductivity compared to metals and non-metals. They can conduct electricity, but not as effectively as metals.
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Question : Which of the following metals can deposit copper from copper sulphate solution?
Question : Which of the following is the most abundant metal on Earth's crust?
Question : Which of the metals has the maximum thermal conductivity?
Question : The elements known as primary nutrients for plants are:
Question : Copper wires are generally used for electrical power transmission instead of iron wire because:
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